Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quando o time da casa North Melbourne estava jogando, o que eles marcaram?
 ###Tabelas: CREATE TABLE allied_ships (allied_ships_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Name VARCHAR, Flag VARCHAR, Tonnage (GRT) INT, Sunk by VARCHAR) CREATE TABLE top_8_appearances (top_8_appearances_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Event type VARCHAR, Location VARCHAR, Format VARCHAR, Date VARCHAR, Rank INT) CREATE TABLE round_12 (round_12_id AUTO_INCREMENT PRIMARY KEY, Home team VARCHAR, Home team score VARCHAR, Away team VARCHAR, Away team score VARCHAR, Venue VARCHAR, Crowd INT, Date VARCHAR) CREATE TABLE number_of_children_involved_in_ilo_categories_of_work_by_age_and_gender (number_of_children_involved_in_ilo_categories_of_work_by_age_and_gender_id AUTO_INCREMENT PRIMARY KEY, All Children ('000s) INT, Economically Active Children ('000s) INT, Economically Active Children (%) INT, Child Labour ('000s) INT, Child Labour (%) INT, Children In Hazardous Work ('000s) INT, Children In Hazardous Work (%) INT) CREATE TABLE tournament_3 (tournament_3_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Time VARCHAR, Score VARCHAR, Set 1 VARCHAR, Set 2 VARCHAR, Set 3 VARCHAR, Total VARCHAR, Report VARCHAR)  
SELECT Home team score FROM round_12 WHERE Home team = north melbourne